A Thermoeconomic-Artificial Intelligence Combined Approach to the Diagnosis of Energy Systems

2011 ◽  
Author(s):  
Roberto Melli ◽  
Vittorio Verda ◽  
Sorin-Gabriel Vernica
Keyword(s):  
Artificial Intelligence ◽  
Gas Turbine ◽  
Energy Systems ◽  
Physical Models ◽  
Combined Approach ◽  
Turbine Plant ◽  
Plant Operation ◽  
Advantages And Disadvantages ◽  
Combined Application ◽  
Gas Turbine Plant

In this paper, the combined application of two different approaches to the diagnosis of energy systems is proposed. The first approach is based on thermoeconomic analysis. It consists on the filtration of effects due the dependence of the efficiencies of components on their operating condition. This is obtained through productive models which relate resources and products. With respect to physical models, these are generally less accurate but more compact and thus more suitable to deal with the available measurements in real plants. The second approach is an artificial intelligence (AI) technique. This is based on the calculation of appropriate indicators that experience shows to be affected by possible anomalies. Malfunctions are detected and recognized through the analysis of deviations registered by the indicators during plant operation. The diagnosis methods are applied to a gas turbine plant with real anomalies. These are investigated in order to highlight possible advantages and disadvantages of the two methods and the benefits that can be reached through their combined application.

Innovative Concepts for Auxiliary Power Generation on USN Ships

1988 ◽  
Author(s):  
Thomas L. Bowen ◽  
Jon C. Ness
Keyword(s):  
Power Generation ◽  
Gas Turbine ◽  
Simple Cycle ◽  
Turbine Plant ◽  
Advantages And Disadvantages ◽  
Auxiliary Power ◽  
Alternative Approaches ◽  
Gas Turbine Plant ◽  
And Performance ◽  
Generator Sets

Auxiliary power generation to satisfy demands for electricity and pressurized air onboard naval ships represents a significant impact on the ship’s design and performance. These demands are continually growing as newer ships require improved capabilities and shipboard systems become more complex. This paper briefy examines options to the present use of multiple, simple-cycle, gas-turbine-driven generator sets on U.S. Navy destroyers and cruisers. Improved engines for ship service generator drive applications are considered which are presently available from industry or are adapations of presently available engines. The feasibility of producing an auxiliary gas turbine from components taken from an intercooled-recuperative propulsion gas turbine is examined, as well as an integrated gas turbine plant which allows auxiliary power to be supplied as power takeoff from the propulsion gas turbine. The paper describes some of the design and performance aspects of these alternative approaches as well as some of their advantages and disadvantages.

GTPOM: Thermo-Economic Optimization of Whole Gas Turbine Plant

2006 ◽  
Vol 128 (3) ◽  
pp. 535-542 ◽  
Author(s):  
Richard Knight ◽  
Mitsuru Obana ◽  
Christer von Wowern ◽  
Athanasios Mitakakis ◽  
Erhard Perz ◽  
...  
Keyword(s):  
Power Generation ◽  
Gas Turbine ◽  
Energy Systems ◽  
Software Tool ◽  
Combined Cycle ◽  
Plant Design ◽  
Economic Optimization ◽  
Turbine Plant ◽  
Trade Offs ◽  
Gas Turbine Plant

Trends towards distributed power generation and the deregulation of energy markets are increasing the requirement for software tools that optimize power generation plant design and operation. In this context, this paper describes the GTPOM (thermo-economic optimization of whole gas turbine plant) European project, funded in part through the European Commission’s 5th Framework Programme, focusing on the development and demonstration of an original software tool for the thermo-economic analysis and optimization of conventional and advanced energy systems based on gas turbine plant. PSEconomy, the software tool developed during the GTPOM project, provides a thermo-economic optimization capability for advanced and more-conventional energy systems, enabling the complex trade-offs between system performance and installed costs to be determined for different operational duties and market scenarios. Furthermore, the code is capable of determining the potential benefits of innovative cycles or layout modifications to existing plants compared with current plant configurations. The economic assessment is performed through a complete through-life cycle cost analysis, which includes the total capital cost of the plant, the cost of fuel, O&M costs and the expected revenues from the sale of power and heat. The optimization process, carried out with a GA-based algorithm, is able to pursue different objective functions as specified by the User. These include system efficiency, through-life cost of electricity and through-life internal rate of return. Three case studies demonstrating the capabilities of the new tool are presented in this paper, covering a conventional combined cycle system, a biomass plant and a CO2 sequestration gas turbine cycle. The software code is now commercially available and is expected to provide significant advantages in the near and long-term development of energy cycles.

scholarly journals Natural gas intracyclic attachment for energy generating unit based on gas turbine plant

2019 ◽  
Vol 114 ◽  
pp. 06004
Author(s):  
Dmitriy Kalashnikov ◽  
Yuriy Borisov ◽  
Elizaveta Kalashnikova
Keyword(s):  
Gas Turbine ◽  
Heat Supply ◽  
Heat Supply System ◽  
Gas Pressure ◽  
Hot Water ◽  
Power Engineering ◽  
Fuel Gas ◽  
Turbine Plant ◽  
Advantages And Disadvantages ◽  
Gas Turbine Plant

In this article, problems of effectiveness increasing in complex power supply are considered. Disadvantages of centralized power engineering and advantages of power engineering capabilities organization in immediate consumer proximity are presented. Consumer needs satisfaction in electricity, heat supply and cold supply are offered to be realized by conversion of district and quarter boiler houses to trigeneration stations, which are based on gas turbine plants units. In this research, solutions of problem related to lack of fuel gas pressure for gas turbine engine power, which is included in gas turbine plant of trigeneration stations, are suggested. As a result, after considering possible variants of fuel gas pressure increasing, it was decided that there is a perspective of using fuel gas intracyclic compression attachment. Its operating principle involves organization of main steam extraction in heat cycle for booster compressor drive, which compresses fuel gas before its transfer to combustor of gas turbine plant. Results of gas compressor and drive steam turbine design are presented. These parts are included in fuel gas intracyclic compression attachment in specific unit of gas turbine plant. Also, general recommendations about new compressor and turbine stages design for any other units of gas turbine plant are pointed. Further, in the article, two variants of thermal circuit, based on gas turbine plant, are suggested. The first one is a circuit with hot water boiler, where exhaust gas recuperation after turbine is carried out for producing steam, related to fuel gas intracyclic compression attachment demands, and heat system water heating for consumer heat supply system. The second variant involves development of typical gas turbine plant unit in power station with exhaust boiler. There fuel gas intracyclic compression attachment is activated by steam work after exhaust boiler. Then, variants of diagram are compared between each other. Also advantages and disadvantages each of them are considered.

GTPOM: Thermo-Economic Optimization of Whole Gas Turbine Plant

2004 ◽  
Author(s):  
Richard Knight ◽  
Mitsuru Obana ◽  
Christer von Wowern ◽  
Athanasios Mitakakis ◽  
Erhard Perz ◽  
...  
Keyword(s):  
Power Generation ◽  
Gas Turbine ◽  
Energy Systems ◽  
Software Tool ◽  
Combined Cycle ◽  
Plant Design ◽  
Economic Optimization ◽  
Turbine Plant ◽  
Trade Offs ◽  
Gas Turbine Plant

Trends towards distributed power generation and the deregulation of energy markets are increasing the requirement for software tools that optimize power generation plant design and operation. In this context, this paper describes the GTPOM (thermo-economic optimization of whole gas turbine plant) European project, funded in part through the European Commission’s 5th Framework Programme, focusing on the development and demonstration of an original software tool for the thermo-economic analysis and optimization of conventional and advanced energy systems based on gas turbine plant. PSEconomy, the software tool developed during the GTPOM project, provides a thermo-economic optimization capability for advanced and more-conventional energy systems, enabling the complex trade-offs between system performance and installed costs to be determined for different operational duties and market scenarios. Furthermore, the code is capable of determining the potential benefits of innovative cycles or layout modifications to existing plants compared with current plant configurations. The economic assessment is performed through a complete through-life cycle cost analysis, which includes the total capital cost of the plant, the cost of fuel, O&M costs and the expected revenues from the sale of power and heat. The optimization process, carried out with a GA-based algorithm, is able to pursue different objective functions as specified by the User. These include system efficiency, through-life cost of electricity and through-life internal rate of return. Three case studies demonstrating the capabilities of the new tool are presented in this paper, covering a conventional combined cycle system, a biomass plant and a CO2 sequestration gas turbine cycle. The software code is now commercially available and is expected to provide significant advantages in the near and long-term development of energy cycles.

Experimental Determination of the Heat Recovery Boiler Effectiveness of a Gas Turbine Plant

2014 ◽  
Vol 659 ◽  
pp. 503-508
Author(s):  
Sorin Gabriel Vernica ◽  
Aneta Hazi ◽  
Gheorghe Hazi
Keyword(s):  
Experimental Data ◽  
Gas Turbine ◽  
Heat Recovery ◽  
Heat Recovery Boiler ◽  
Experimental Point ◽  
Experimental Data Processing ◽  
Turbine Plant ◽  
Transfer Unit ◽  
Gas Turbine Plant ◽  
Recovery Boiler

Increasing the energy efficiency of a gas turbine plant can be achieved by exhaust gas heat recovery in a recovery boiler. Establishing some correlations between the parameters of the boiler and of the turbine is done usually based on mathematical models. In this paper it is determined from experimental point of view, the effectiveness of a heat recovery boiler, which operates together with a gas turbine power plant. Starting from the scheme for framing the measurement devices, we have developed a measurement procedure of the experimental data. For experimental data processing is applied the effectiveness - number of transfer unit method. Based on these experimental data we establish correlations between the recovery boiler effectiveness and the gas turbine plant characteristics. The method can be adapted depending on the type of flow in the recovery boiler.

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